import { asyncRoutes, constantRoutes } from '@/router'
import menu from '@/api/auth/menu/index'
import Layout from '@/layout'
/**
 * Use meta.role to determine if the current user has permission
 * @param roles
 * @param route
 */
function hasPermission(roles, route) {
  if (route.meta && route.meta.roles) {
    return roles.some(role => route.meta.roles.includes(role))
  } else {
    return true
  }
}



/**
 * Filter asynchronous routing tables by recursion
 * @param routes asyncRoutes
 * @param roles
 */
export function filterAsyncRoutes(routes, roles) {
  const res = []
  routes.forEach(route => {
    const tmp = { ...route }
    if (hasPermission(roles, tmp)) {
      if (tmp.children) {
        tmp.children = filterAsyncRoutes(tmp.children, roles)
      }
      res.push(tmp)
    }
  })

  return res
}

const state = {
  routes: [],
  addRoutes: []
}

const mutations = {
  SET_ROUTES: (state, routes) => {
    state.addRoutes = routes
    state.routes = constantRoutes.concat(routes)
  }
}

const actions = {
  generateRoutes: async function({ commit }, roles) {
    return new Promise(async resolve => {
      let accessedRoutes
      let data = await menu.queryAllMenuRouter()
      let routersData = data.data;
      let b=['admin'];
      if (routersData!=null&&routersData.length>0){
        let d=await menu.filterRouterData(routersData);
        accessedRoutes = filterAsyncRoutes(d, b)
        /*    accessedRoutes = asyncRoutes || []*/
      }else {
        accessedRoutes = [];
      }
      commit('SET_ROUTES', accessedRoutes)
      resolve(accessedRoutes)
    })

  }
}

export default {
  namespaced: true,
  state,
  mutations,
  actions
}
